The OSCAL PowerMax 1800SE is a portable power station for camping, RV use, on-site work and home backup planning. Its 1,024Wh LiFePO4 battery supplies up to 1,800W of rated output, while the inverter is specified for 3,600W surge output. The unit also features pure sine-wave AC output, pass-through charging and a UPS switching figure of approximately 0.01 seconds. Actual runtime varies with the connected load and conversion losses.


Capacity and output
The LiFePO4 battery is specified at 3,500+ cycles to 80% capacity. Three AC outlets are available for compatible US-market equipment, and the 1,800W continuous rating is designed for a range of household, workshop and outdoor loads. The 3,600W surge specification describes short-duration startup demand; it does not mean the station can continuously operate a 3,600W load.
- 1,024Wh LiFePO4 battery capacity
- 1,800W rated output and 3,600W surge output
- Pure sine-wave inverter
- Two 100W USB-C ports and three AC outlets
- UPS function with an approximately 0.01-second switching figure
Charging and control
Official specifications list up to 700W of AC charging and up to 800W of solar input. Pass-through charging allows the station to charge while supplying power, subject to the connected equipment and operating conditions. The product listing also identifies app control. Confirm the compatible app, supported connections and the contents of the selected variant before ordering.
Specifications
| Specification | Details |
|---|---|
| Battery chemistry | LiFePO4 |
| Battery capacity | 1,024Wh |
| Rated output | 1,800W |
| Surge output | 3,600W |
| AC charging | Up to 700W |
| Solar input | Up to 800W |
| USB-C | Two 100W ports |
| AC outlets | Three |
| Weight | Approximately 15.5kg |
Practical limitations
Runtime will be lower than the nominal 1,024Wh capacity after inverter and device losses, especially with high-wattage appliances. Solar charging depends on panel compatibility and conditions. The approximately 15.5kg weight may make frequent carrying less convenient, and a UPS switching figure should not be treated as a guarantee for every device or installation.
Buying checks
Before checkout, confirm that the selected variant is the OSCAL PowerMax 1800SE, uses the intended US outlet version and includes the charging cables you need. Check the seller’s current specifications for solar-input compatibility, app support and outlet details. Also confirm shipping origin and delivery information for your US destination, since these details can vary by seller, variant and location.
Price checked: October 2, 2026. AliExpress prices can change depending on variant, seller, destination, promotion and time.